TY  - BOOK
AU  - Cook,O.F.
TI  - Dimorphic leaves of cotton and allied plants in relation to heredity
T2  - United States. Dept of Agriculture. Bureau of Plant Industry. Bulletin
AV  - QK1 .U45 no. 221
PY  - 1911///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Leaf dimorphism
ER  -